It’s primary design feature is to help dentists learn about not poking their instruments through a patient’s cheek while subtly glancing at the cleavage of lady patients whenever they blink. It’s secondary and tertiary design features are as yet undocumented.

“I’m sure there are better uses for this technology. Can’t think what they could be, though” – Darrell

I’m not sure how to comment on this. At some point in the future, this account will be tracked back to my real name and I’ve already got a lot of explaining to do. Better not say anything about spitting in the dummy’s mouth then.